protected void localSetUp() {
addTearDownClass(PCRect.class);
addTearDownClass(PCPoint.class);
upperLeft = new PCPoint(0,10);
lowerRight = new PCPoint(10,0);
pcrect = new PCRect(upperLeft, lowerRight);
getPM().currentTransaction().begin();
pm.makePersistent(pcrect); // makes all three persistent
upperLeftoid = pm.getObjectId(upperLeft);
lowerRightoid = pm.getObjectId(lowerRight);
pcrectoid = pm.getObjectId(pcrect);